解决Ubuntu22.04 Wifi连接断开的问题
2023-05-13 / 龙之叶   

1.修改/etc/ppp/options文件

将其中的lcpe-echo-failure 的参数改为40

2.将无线网卡的power management 关掉

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$ sudo iwconfig
lo no wireless extensions.

wlp5s0 IEEE 802.11 ESSID:"\xE7\xA6\x8F\xE7\xBC\x98\xE5\x96\x84\xE5\xBA\x86"
Mode:Managed Frequency:2.472 GHz Access Point: 44:97:5A:04:87:DA
Bit Rate=15 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=22/70 Signal level=-88 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:18 Missed beacon:0

enp4s0 no wireless extensions.
# 关闭
$ sudo iwconfig wlp5s0 power off
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